APIs from Scratch: Designing, Building, and Consuming Web APIs - Softcover

Greystone, Elian

Softcover

ISBN 13: 9798292571759

Publisher: Independently published, 2025

Synopsis

Build the Backbone of Modern Software — One Endpoint at a Time.

APIs from Scratch is your complete guide to understanding, designing, building, and using web APIs — the essential communication layer powering modern applications, mobile apps, and cloud services.

Whether you’re new to backend development or seeking to strengthen your architecture and integration skills, this book walks you through the fundamentals of REST, HTTP methods, JSON, authentication, versioning, and more. You’ll build your own API step-by-step using Node.js, Express, Python (Flask or FastAPI), or other frameworks, and learn how to consume APIs using tools like Postman, Fetch API, or Axios.

🌐 What You’ll Learn:

✅ What APIs are and how they power the internet
✅ RESTful design principles and HTTP request/response cycles
✅ Building your own APIs from scratch using Express, Flask, or FastAPI
✅ Handling CRUD operations with real-world data
✅ API testing with Postman and automated testing tools
✅ Authentication and authorization with API keys, JWT, and OAuth2
✅ Rate limiting, error handling, and versioning
✅ Writing clean, scalable, and well-documented endpoints
✅ Consuming public APIs using JavaScript (Axios/Fetch)
✅ Best practices for deploying APIs to platforms like Heroku, Vercel, and AWS

Edition details

• Publisher: Independently published
• Publication date: 2025
• Language: English
• ISBN 13: 9798292571759
• Binding: Paperback
• Number of pages: 250